Finding the Fourth Proportional to 42,298.32, 63,443.88 and 17,331.24

Step by Step Solution

1. Step 1: Write the proportion equation
   42,298.32 : 63,443.88 = 17,331.24 : x
2. Step 2: Convert to fraction form
   42,298.32/63,443.88 = 17,331.24/x
3. Step 3: Cross multiply
   42,298.32x = 63,443.88 × 17,331.24
4. Step 4: Simplify right side
   42,298.32x = 1,099,561,110.81
5. Step 5: Solve for x
   x = 1,099,561,110.81/42,298.32
6. Step 6: Final answer
   x = 25,995.38